/**
 * Copyright (C) 2008 Motudo Studio
 * 
 * @author game@motudo.com (motudo lin)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package motudo.screen.domain;

import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;

import com.google.inject.Inject;

public class LabelUpdateServiceImpl implements ILabelUpdateService {
	
	private final INextTimer ntimer;
	
	private final static int TIME_UPDATE = 5000;
	
	private Label target;
	
	private int count;
	
	private Display display;
	
	@Inject
	public LabelUpdateServiceImpl(INextTimer aNtimer){
		this.ntimer = aNtimer;
	}

	@Override
	public void setTarget(Label label) {
		this.target = label;
		
		if(display == null){
		   display = Display.getCurrent();
		   display.timerExec(TIME_UPDATE, new Runnable(){
			   @Override
			   public void run() {
				   count++;
				   target.setText(ntimer.getInfo());
				   Display.getCurrent().timerExec(TIME_UPDATE, this);
			   }});	
		}
	}

}
